/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/RigVMSchema.h
Returns true if a variable can be unbound from a pin.
virtual bool CanUnbindVariable ( [URigVMController](API\Plugins\RigVMDeveloper\RigVMModel\URigVMController) * InController, const [URigVMPin](API\Plugins\RigVMDeveloper\RigVMModel\URigVMPin) * InBoundPin ) const